Process for preparation of lightweight, insulating, supple,...

Details Process for preparation of lightweight, insulating, supple,... Process for preparation of lightweight, insulating, supple,...

C - Chemistry, Metallurgy

08

J

117/183, 18/659,

C08J 9/40 (2006.01) B29C 70/50 (2006.01) B32B 5/28 (2006.01) C08J 9/42 (2006.01) D06N 3/14 (2006.01)

Patent

CA 1194736

ABSTRACT OF THE DISCLOSURE The invention relates to a process for prepara- tion of lightweight, insulating, supple, rigid or half- rigid elements, wherein it essentially comprises impreg- nating a porous supple material having an internal struc- ture with preferentially open cell, with the desired quantity of a solution of a compound selected from the group comprising isocyanates, and having consequently in its formula at least a -NCO group, said material having or not having the final shape which is to be obtained, then proceeding with reticulation of said compound after reacting it with water giving a derivative of urea or biuret.

400971

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